baber/WOPTO huggingface dataset:
Patent GB-1303040-A (GB)
IPC: F28F9/00
Filed: 1970-07-08
Abstract: 1303040 Heat exchanger headers SOC ANON DES USINES CHAUSSON 8 July 1970 [22 July 1969] 33228/70 Heading F4S [Also in Division E2] A moulded cover 10, e.g. of aluminium, rubber or synthetic resin, is detachably clamped and sealed to a tube plate 1 to form a header box for a radiator tube core. As shown, the tube plate has, around its periphery a ledge or seating 5 on which is located a distortable joint packing 6, and the cover 10 correspondingly has peripheral surfaces 13 to complete the joint. Sealing pressure is applied by pins 15 which engage, in the manner shown, grooved lugs 11 on the cover and tabs 8 upstanding from a peripheral rim 4 of the tube plate, the tabs having turned-over portions 9 forming guides for the pins.
Patent GB-489083-A (GB)
Title: Process for the activation of cholesterol
IPC: A61K31/593
Filed: 1937-12-02
Abstract: Provitamin which on irradiation yields a vitamin D is produced in cholesterol by heating solid cholesterol with solid benzoyl peroxide. The heating may be effected at 120-250 DEG  C. in air or in vacuo. The mixture may be heated with mercury in a vacuum still, the mercury carrying over the activated distilled cholesterol.  The cholesterol may be pretreated for the removal of provitamin.  In examples, (1) cholesterol and benzoyl peroxide are heated at 110-120 DEG  C. in an open flask, the temperature being finally raised to 150 DEG  C., and the liberated benzoic acid may be removed before or after irradiation by treating in ether solution with an alkaline solution; (2) the same process is effected in an evacuated flask; (3) a mixture of cholesterol and benzoyl peroxide is heated in a vacuum still containing mercury and heated to 180-250 DEG  C at ,001-1 mm. pressure; the distillate is treated with ether, and the benzoic acid separated as described above.
Patent GB-1132309-A (GB)
Title: Improvements in or relating to hydraulic actuators
IPC: F15B11/02
Filed: 1967-07-20
Abstract: 1,132,309. Hydraulic actuators: gear pumps. KALLE - REGULATORER A.B. July 20, 1967 [Sept. 9, 1966], No.33514/67. Headings F1F and F1P. An hydraulic actuator circuit includes two continuously driven gear pumps 2, 2' each having a gas, e.g. atmospheric air, inlet 4, 4' and a liquid inlet 3, 3', valve members 33, 33' actuated simultaneously in opposite directions in response to electric pulses so as to close said air inlets 4, 4' alternately, a restricted outlet 5, 5' at the delivery side of each pump, a hydraulic actuator cylinder 26 connected at one end by a first conduit 16 and a check valve 14 to the delivery path 7 of pump 2, and connected at the other end by a second conduit 16' and second check valve 14' to the delivery path 7' of pump 2' a pressure responsive member 17 arranged to open check valve 14 in response to pressure in a branch 20' of the delivery pipe 7' of pump 2' and a member 17' arranged to open check valve 14' in response to pressure in a branch 20 of the delivery pipe 7. In operation and with the inlets of both air ducts 4, 4' open, both pumps 2, 2' deliver air through the restricted outlets 5 and valves 14, 14' remain seated. On increasing a current through one or other solenoids 34, 35 a valve arm 32 is pivoted to close say air conduit 4 whereupon pump 2 draws liquid and delivers it into pipe 7 and also path 5 until the lower end of the latter is blocked by adiaphragm 25 connected to a path 22 to branch 20. Pump delivery pressure then opens valve 14 and displaces actuator piston 27 to the left and liquid exhausted thereby passes through open valve 14' and is vented through an aperature 21'. In the event of piston 27 reaching the end of the cylinder 26 whilst one or other of the air ducts 4, 4' are closed and one or other of pumps 2, 2' are delivering liquid, an air valve 39, 39' is opened therebly admitting atmospheric air into either duct 4, or 4'. A further air valve 43, 43' is opened by a Bourden tube 42 when deflected by an undue pressure rise in conduit 16, 16'. Piston 27 may be adjusted when pumps 2, 2' are idle by application of liquid pressure through either of ducts 29, 29' by moves of a hand pump.
Patent GB-481769-A (GB)
Title: Improvements in spark plug insulators
IPC: H01T13/38
Filed: 1936-12-08
Abstract: A sparking-plug insulator is made by firing a shaped article formed of a mixture of finely ground alumina and zirconium silicate, the latter forming 1-15 per cent by weight of the mixture, at a temperature, e.g. 1600-1750 DEG  C. sufficient to decompose the zirconium silicate and form an aluminium zirconium silicate, but insufficient to cause deformation other than uniform shrinkage.  The preferred amount of zircon is from 2,5 to 5 per cent.  Preferably, the finely ground ingredients are mixed with a synthetic resin as a temporary binder and moulded under heat and heavy pressure as described in Specification 472,110.
Patent GB-878202-A (GB)
Title: Improvements in carbon black manufacture
IPC: C09C1/50
Filed: 1959-10-05
Abstract: <PICT:0878202/III/1> <PICT:0878202/III/2> <PICT:0878202/III/3> <PICT:0878202/III/4> Carbon black is produced by injecting a ga atomized liquid hydrocarbon radially outwards into a spiral stream of hot combustion gas in a carbon black furnace.  The make hydrocarbon may be a high molecular weight, highly aromatic coal or petroleum tar, and may be atomized in steam.  Natural gas may be injected into hot combustion gas of an oxidising nature just before injection of the make hydrocarbon.  The carbon black furnace may comprise a combustion zone having a diameter about twice its length, into which combustion gas is tangentially injected, followed by a continued reaction zone of reduced diameter.  The point of injection of the make hydrocarbon may be varied about the line dividing the combustion and further reaction zones.  As shown in Figs. 3 and 7 atomized make hydrocarbon is injected from twelve slit-like orifices 29 which communicate with pipe 24, and natural gas is injected from twelve orifices 41 which communicate with two pipes 40, in a water-cooled injection device 16.  As shown in Figs. 8 and 9 atomized make hydrocarbon is injected from a peripheral slit 58 which communicates with an annular chamber 57, passages 56, annular chamber 55, and two pipes 54, and natural gas is injected from a plurality of orifices 64 which communicate with an annular passage 45 and inlet 63, in a water cooled injection device 43.  Examples are given.  Specifications 669,968 and 717,206 are referred to.
Patent GB-1470926-A (GB)
Title: Surface aerator and a rotor therefor
IPC: C02F3/16
Filed: 1975-08-13
Abstract: 1470926 Aerating liquids MACHINEFABRIEK W HUBERT & CO BV 13 Aug 1975 [29 Aug 1974] 33772/75 Heading B1C A rotatable surface aerator has a boss 1, 2 carrying a plurality of radial blades 3 interconnected by a ring 7, the blades extending at 10 beyond the ring and having lower edges which extend perpendicularly to the rotational axis at 5 and thereafter upwardly, and upper edges which extend outwardly and upwardly the adjacent blade portion 9 being bent in the intended direction of rotation. Preferably the angle of the portion 9 is 30 to 60 to the plane of the blade, and a part of the lower edge of the blade may be bent in the same sense. As shown the ring 7 is upwardly convex but it may be planar or frusto-conical, or diminished to a slip.
Patent GB-154609-A (GB)
Title: Improvements in or relating to cycle hubs with free wheel device
IPC: B62L5/04
Filed: 1920-11-30
Abstract: 154,609. Sachs, E. Dec. 1, 1919, [Convention date]. Free-wheel mechanism; back-pedalling brake arrangements. - In freewheel mechanism for cycle hubs, wherein an expansible sleeve 14 is pressed into contact with the inside of the hub 6 by a conical flange projecting from the hub and by the inclined faces of threads 23 upon the driving- sleeve 8, the conical flange 20 is provided upon a ring 18 which is keyed to the hub so that it rotates therewith but is longitudinally movable with respect thereto, and, upon the sleeve 14 being expanded for driving, the ring is clamped between the sleeve and a shoulder 17 on the driving-sleeve. As shown in Fig. 1, the mechanism is combined with a back-pedalling brake consisting of the sleeve 14 which is adapted to be held against rotation by the engagement of teeth 22, 21 and is then expanded into contact with the hub by the threads 23 and by the conical surface at 21 of the bearing-cone 12. A drag upon the sleeve is effected by a spring 15 pressing the sleeve upon the portion 16 of the cone. In the case of a free-wheel mechanism alone, the inner end of the split sleeve is, on free-wheeling, adapted to abut against the flange of an anchored ring on the axle, a drag spring being arranged between the sleeve and the ring.
Patent GB-316828-A (GB)
Title: Improvements in and connected with ignition chambers particularly suitable for high speed diesel engines
IPC: F02B19/14
Filed: 1928-11-19
Abstract: 316,828. Daimler-Benz Akt.-Ges. Oct. 15, 1928, [Convention date]. Cylinders receiving liquid fuel. - A precombustion chamber comprises differentlyshaped spaces I - - VI, which decrease in volume and alternate in cross-sectional area from the fuel nozzle a to the cylinder space c. The spaces I, II and VI are cylindrical, the space III comprises a number of atomizing passages, and the spaces IV and V are annular. Relative dimensions and capacities of the different parts are given and the spaces II - - VI may be comprised by a unit detachable from the cylinder. An incandescent igniter b may be provided in the space I. Specifications 322,474 and 323,531 are referred to.
Patent GB-970069-A (GB)
Title: Logic circuits
IPC: H03K17/84
Filed: 1961-09-22
Abstract: 970,069. Circuits employing bi-stable magnetic elements. SPERRY RAND CORPORATION. Sept. 22, 1961 [Oct. 10, 1960], No. 33964/61. Heading H3B. [Also in Division H1] An OR logic circuit includes at least one magnetic film having remanent magnetization along a stable axis, which remanent magnetization is angularly rotatable from the stable position in response to an applied biasing field and will return to the stable position on removal of the field, means for biasing the remanent magnetization away from the axis on receipt of a logic input in one binary sense, but not in the other, and output means coupled to the film or films to give an output signal whenever biasing is effected by one or more logic inputs in the one binary sense. Each film 10, 12, 14 has an " easy " axis 11 and is initially magnetized in its " O " state (Fig. 3). Each film also has an input winding 16, 18, 20 and all the films are linked by an interrogation line 28 perpendicular to the easy axis, and an output line 32, parallel to the easy axis. Whenever a " 1 " input (represented by the presence of a signal) is applied to one or more of the input windings, e.g. 18, the axis of magnetization is rotated (vector 36, Fig. 4). At the same time an interrogation signal is applied to line 28 and causes further rotation of the magnetization vector 38, without affecting the films to which a " 0 " input is applied. The rotation induces an output in conductor 32. In a modification a plurality of inputs may be applied to a single film. In either embodiment the interrogation line may be dispensed with. The total field produced by all the inputs and the interrogation signal, if applied, must not exceed a value at which irreversible rotation occurs.
Patent GB-1302006-A (GB)
IPC: F16H7/02
Filed: 1971-07-20
Abstract: 1302006 Belt gearing KORNYLAK CORP 20 July 1971 [22 July 1970] 33967/71 Heading F2Q To provide a more positive drive in a belt and pulley power transmission than that which can be obtained by smooth friction surfaces between the belt and pulley, the pulley P is roughened, for example, by etching, sand blasting, machining or forging, or provided with a coating or sleeve material and loops or beaded chains C are positioned, i.e. loosely looped around the pulley P in parallel loops, between the belt B and pulley P, the beads becoming indented in the flexible belt B and embedded into the surface of the pulley P to increase the tractive effort which can be transmitted over that of the customary smooth faces of the pulley and belt, a guiding drum D, or nylon bar (40) (Figs. 4 and 5, not shown), guiding the beaded chain loops C for travel in parallel planes and permitting (at 52 to 56) (Fig. 4) easy lateral adjustment of the belt. In Figs. 6 to 8 (not shown) the roughened pulley is in the form of a fluted shaft (43), the looped chain beads C being of a size to match the flutes (44), the loops being formed of beads of hollow spheres (58) interconnected by links (60).
Patent GB-1067520-A (GB)
Title: New derivatives of asiatic acid and their process of preparation
IPC: C07J63/00
Filed: 1964-08-20
Abstract: Asiatic acid 3- and 23-hemisuccinates and their alkali and alkaline earth metal salts are prepared by reacting asiatic acid with a molar excess of succinic anhydride, optionally followed by separation of the isomeric hemisuccinates and/or salt formation. Aqueous solutions of these compounds may be used in medicine.
Patent GB-323092-A (GB)
Title: Greenhouse construction
IPC: A01G9/14
Filed: 1928-11-21
Abstract: 323,092. Burrage, A. C. Nov. 21, 1928. Glasshouses.-In order that the plants in a greenhouse may receive maximum sunlight independent of their positions, the slope of the roof is set for the particular latitude of the place, and the shelves are disposed so as to slope inwardly and downwardly from the inclined roof. The building is formed of frameworks comprising inclined sides 7 and 8 and floor portions 6 disposed at distances apart and connected, the sides being inclined at 65 and 55 respectively, and crossstay-bars 11 being used near to the top to stiffen the frames. The frame members are formed of light T-section metal with the webs disposed inwardly, and subsidiary frames 16, 17, formed also of T-section metal, are connected to the floor and to the centres of the stay-bars 11. The webs of the frame members and the subsidiary frame members are perforated to receive pins 21, which support bearers 22, which are grooved at their upper surfaces to receive the glass shelves 25 and are provided with drainage grooves 26. The shelves are inclined downwardly from the roof and overlap at their inner edges, so that the drippings fall to the floor and not on the lower shelves. The glazing 28 is secured to bearers secured to the flanges of the outer frame members. Frameworks formed of tubes 31 may be provided to form supports for roll curtains 34, 38 adapted to roll laterally and up and down respectively, and a central curtain 39 may also be provided. Mats or other heat insulating material may be used under the curtains to protect the houses during cold weather. The shelves may be of metal, wood, or the like, but are preferably of glass.
Patent GB-525811-A (GB)
Title: Process for the improvement of textiles
IPC: D06M15/423
Filed: 1938-11-24
Abstract: 525,811. Waterproofing textiles. AXELRAD, F. Nov. 24, 1938, No. 34279. [Class 140] [Also in Group IV] Textiles are treated, for the production of im-- proved resistance to water, with resin components, e.g., urea and formaldehyde and the condensation is effected in presence of a complex or mixture in aqueous solution of an acid and a. hydroxy compound, such that the pH value of the complex or mixture continues to decrease with continued increases in the concentration of the solution. The complex or mixture may be of a weak acid such as boric acid and a polyhydroxy compound such as glycerol or other polyhydric alcohol. The reagents used may contain. other substances which influence the feel, fullness, and appearance of the textiles. The components of the condensation products may be applied to the tetxiles in an initially condensed form, in which case the final condensation is carried out in presence of' the acidic complex or mixture. The textiles after being impregnated with the solution of the resin components may be dried and then'subjected to a short heat-treat-- ment at 80-100‹C. to complete the condensation. In an example, artificial crape tissue is treated in a bath containing glycerine, boric acid, dimethylol urea, and formaldehyde. The material is passed through the bath, dried, and then heated for several minutes at 103‹C. A proportion of alkali borate may be present together with the boric acid and glycerine. The treating bath may be made from a concentrated mixture in powder form of the resin components and the acid and hydroxy compound.
Patent GB-1016283-A (GB)
Title: Photographic products
Inventor: HOUCK ROBERT CHARLES
IPC: G03C1/053
Filed: 1962-09-18
Abstract: 1,016,283. Photographic materials. EASTMAN KODAK CO. Sept. 18, 1962, No. 34323/65. Divided out of 1,016,282. Heading G2C. A photographic material comprises a polymeric film support and optionally a subbing layer or layers and then a layer of a water-soluble salt of an acrylic acid/alkyl acrylate copolymer containing no free carboxyl groups the ratio of alkyl acrylate to acrylic acid being from 1 to 9 to 1, and in said layer a silver halide. Alkyl acrylates specified are methyl to decyl acrylates and usually the ammonium salt is used. In the examples, a polystyrene, polyester, polycarbonate or cellulose triacetate support, which may be subbed with a 50/50 mixture of iso- and normalbutyl methacrylate and then with cellulose nitrate and finally with a 75/25 mixture of ethyl acrylate/acrylic acid copolymer, is coated with a layer containing gelatin, the copolymer salt and silver halide. An epoxy hardener, for example bis (2, 3 epoxypropoxyethyl) ether may also be added to the copolymerizable layer.
Patent GB-1302665-A (GB)
IPC: B64C1/06
Filed: 1971-07-22
Abstract: 1302665 Laminates UNITED AIRCRAFT CORP 22 July 1971 [30 Oct 1970] 34404/71 Heading B5N [Also in Divisions B7 and F2] A non-metallic stringer for an aircraft, comprises a core of plies of epoxy resin impregnated tapes 34 having boron filaments 36 therein and extending along the length of the stringer, the core being wound transversely with an inner ply of fibreglass impregnated tape 32 and an outer ply of similar tape 42, the stringer being formed with a base portion for attachment, e.g. by bonding, to the skin of an aircraft fuselage. To make the stringer the tapes are successively wound round a mandrel 30 then cured under heat and pressure in an autoclave, dies being used to shape the stringer.
Patent GB-487323-A (GB)
Title: Manufacture of condensation products
IPC: C08G63/688
Filed: 1936-12-15
Abstract: Rubber-like products for use in oil-resistant luting materials, textile coatings, hoses, and floor coverings are prepared by condensing a thiodiglycol of the formula HO-R-Sx-R-OH (where R is a saturated aliphatic hydrocarbon radicle and x is 1, 2, or 3) with a di-, poly-, or hydroxypolycarboxylic acid or an anhydride or ester thereof.  Thiodiglycols specified are mono-, di-, and tri-thio diethyleneglycols; mono-, di-, and tri-thio dipropyleneglycols; mono-, di-, and tri-thio ditetramethyleneglycols; and dithio dihexamethyleneglycol.  Acids &c. specified are maleic, malonic, succinic, adipic, pimelic, malic, tartaric, citric, phthalic, and naphthalic acids, the anhydrides and methyl, ethyl, propyl, and butyl esters thereof; also polymeric acids such as polyacrylic acid and hydroxy-carboxylic acids such as the saponification products of mixed polymerizates of vinyl chloride or organic vinyl esters with maleic anhydride.  The products may be worked up with soot, caoutchouc, butadiene polymerizates and mixed polymerizates, fillers, and softeners.  In examples: (1), (2) dithioditetramethyleneglycol is condensed with maleic or succinic anhydride; (3), (4), (5) tri- or mono-thioditetramethyleneglycol or trithiodiethyleneglycol is condensed with maleic anhydride; (6) the saponified mixed polymerizate of equimolar proportions of vinyl chloride and dimethyl maleate is condensed with trithiodiethyleneglycol in the presence of di-o-tolylguanidine as a gelatinizing agent.  According to the Provisional Specification x in the above formula may be 4 and the radicles R, R are not limited to similar and saturated radicles. Thiodipropylene- and thioditetramethyleneglycols are prepared by acting on 1 : 3-propyleneglycol and 1 : 4-butyleneglycol, or the corresponding chlorhydrins, with 1 mol. of sodium mono-, di-, or tri-sulphide.  Dithiodihexamethyleneglycol is prepared by acting on the chlorhydrin corresponding to hexane-1 : 6-diol with 1 mol. of sodium disulphide.
Patent GB-1076927-A (GB)
Title: Improved metal coating compositions
IPC: C09D195/00
Filed: 1964-08-24
Abstract: A protective coating composition particularly for use in airless spray equipment comprises a stable, non-fluid, substantially homogeneous, thixotropic gel-like mixture containing from 50 to 97% by weight of an organic solvent solution of an asphaltic material in which the asphaltic material constitutes from 20 to 50% by weight of the mixture, and from 1 to 20% of a gelling agent, the mixture being flowable under pressures of from about 1500 to about 4000 p.s.i. in airless spray equipment and capable under such pressure of being mechanically disrupted to a state to enable it to pass through openings of a size of from 0.010 to about 0.060 inch in diameter in the nozzle of airless spray equipment without any essential clogging thereof, and capable after mechanical disruption of reforming in from 1 to 4 seconds into a substantially continuous coating which is strongly adherent, dry, impact-, corrosion- and abrasion-resistant and having sound deadening properties.  The asphaltic material may be Trinidad asphalt, gilsonite, grahamite, glance pitch, steam- or vacuum-reduced asphalt, petroleum residue, cracking residue, oxidized or blown asphalt, crude oil containing asphalt, coal tar or pitch, or mixtures thereof, also mixtures of these with natural or synthetic rubber or resin.  The composition may be sprayed on metallic surfaces such as the underbodies of motor cars.ALSO:A protective coating composition particularly for use in airless spray equipment comprises a stable, non-fluid, substantially homogeneous, thixotropic gel-like mixture containing from 50% to 97% by weight of an organic solvent solution of an asphaltic material in which the asphaltic material constitutes from 20% to 50% by weight of the mixture, and from 1 to 20% of a gelling agent, the mixture being flowable under pressures of from about 1500 to about 4000 p.s.i. in airless spray equipment and capable under such pressure of being mechanically disrupted to a state to enable it to pass through openings of a size of from 0.010 to about 0.060 inch in diameter in the nozzle of airless spray equipment without any essential clogging thereof, and capable after mechanical disruption of reforming in from 1 to 4 seconds into a substantially continuous coating which is strongly adherent, dry, impact, corrosion- and abrasion-resistant and having sound deading properties.  The asphaltic material may be Trinidad asphalt, gilsonite, grahamite, glance pitch, steam- or vacuum-reduced asphalt, petroleum residue, cracking residue, oxidised or blown asphalt, crude oil containing asphalt, coal tar or pitch, or mixtures thereof, also mixtures of these with natural or synthetic rubber or resin.  The composition may be sprayed on metallic surfaces such as the underbodies of motor cars.